Finding the Third Proportional to 202,355 and 443,388

Step by Step Solution

1. Step 1: Write the proportion equation
   202,355 : 443,388 = 443,388 : x
2. Step 2: Convert to fraction form
   202,355/443,388 = 443,388/x
3. Step 3: Cross multiply
   202,355x = 443,388 × 443,388
4. Step 4: Simplify right side
   202,355x = 196,592,918,544
5. Step 5: Solve for x
   x = 196,592,918,544/202,355
6. Step 6: Final answer
   x = 971,524.89